The Substance, CoCl₂, Is Useful as a Humidity Indicator Because

question 79

Multiple Choice

The substance, CoCl₂, is useful as a humidity indicator because it changes from pale blue to pink as it gains water from moist air. What is its name?

• A) cobalt dichloride
• B) cobalt(II) chloride
• C) cobalt chloride
• D) cobaltic chloride
• E) copper(II) chloride

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Definitions:

Goods Exports

Refers to the selling and shipment of tangible products from one country to another, contributing to a nation’s gross domestic exports.

Goods Imports

The process of bringing goods from foreign countries into one’s own country for use or sale.

Balance Of Payments

A record of all financial transactions made between consumers, businesses, and the government in one country with others.

Hypothetical Data

Data or information that is assumed or simulated for the purpose of analysis or discussion.